例句與造句

1. Defective RNA helicases have been linked to cancers, infectious diseases and neuro-degenerative disorders.
2. Some neurological disorders associated with defective RNA helicases are : amyotrophic lateral sclerosis, spinal muscular atrophy, spinocerebellar ataxia type-2, Alzheimer disease, and lethal congenital contracture syndrome.
3. The "'Infectious bronchitis virus D-RNA "'is an RNA element known as defective RNA or D-RNA . This element is thought to be essential for viral replication and efficient packaging of avian infectious bronchitis virus ( IBV ) particles.
4. It's difficult to find defective rna in a sentence. 用defective rna造句挺難的